Video drivers and overall slow GUI response
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- user warning: Table './drupal_gding/cache_filter' is marked as crashed and should be repaired query: UPDATE cache_filter SET data = '<p>Greetings all, I previously ran Mythdora 4 with great success on this hardware, but I\'m having problems with Mythdora 5. The GUI is very slow to respond in any skins and anything that updates the mythtv gui seems to take much longer than the same task in v4. </p>\n<p>It seems like the nvidia drivers aren\'t loading. Any way to check what is loaded, and reload the proper ones if they\'re not there?</p>\n', created = 1369174489, expire = 1369260889, headers = '', serialized = 0 WHERE cid = '1:9f98bb571fd91fbead19b21256882fa3' in /var/www/mythdora/html/includes/cache.inc on line 109.
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- user warning: Table './drupal_gding/cache_filter' is marked as crashed and should be repaired query: UPDATE cache_filter SET data = '<p>I found that the system still had FC6 nvidia drivers installed. Must be an artifact from a previous installation? Thought I wipe deverything out, but not sure. So I reinstalled the correct drivers for my kernel with this command - found on another post here: yum install kmod-nvidia-$KVER</p>\n<p>Now the nvidia drivers are loaded, but \"rpm -qa | grep nvidia\" produces nothing, doesn\'t show anything is loaded. When I reboot the X server cannot load and asks to be manually reconfigured. still working on it, will post more as I find it.</p>\n', created = 1369174489, expire = 1369260889, headers = '', serialized = 0 WHERE cid = '1:bb650ba7f355f0585db05566647ed1a2' in /var/www/mythdora/html/includes/cache.inc on line 109.
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- user warning: Table './drupal_gding/cache_filter' is marked as crashed and should be repaired query: UPDATE cache_filter SET data = '<p>After some more digging, I found that my video card GeForce MX 4000 is only supported by the legacy drivers. I removed all previous attempts, then installed the correct ones with this command: yum install kmod-nvidia-legacy-$KVER</p>\n<p>It\'s working fine now.</p>\n', created = 1369174489, expire = 1369260889, headers = '', serialized = 0 WHERE cid = '1:1f1658a2e79d7cbbaac6faac5a08f8d4' in /var/www/mythdora/html/includes/cache.inc on line 109.
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- user warning: Table './drupal_gding/cache_filter' is marked as crashed and should be repaired query: UPDATE cache_filter SET data = '<p>I had to fiddle with this as well, and while the \'legacy\' driver will work, the recommended version of the driver for that card is nvidia-96xx . I found that I wasn\'t getting direct rendering with the legacy version which will slow things down. You can check with the glxinfo command, somewhere in the return it will say: \"direct rendering:\" yes or no. I also had to force the nvagp driver to load (kernel option agp=off) and by adding the line - blacklist agpgart to the file /etc/modprobe.d/blacklist<br />\nI\'ve heard that using the built in agpgart is usually fine with this card, but this way worked well for me.<br />\nHowever, if your Mythdora machine is now working for you, sometimes it\'s best just to leave well enough alone.<br />\nGood luck,<br />\nDel</p>\n', created = 1369174489, expire = 1369260889, headers = '', serialized = 0 WHERE cid = '1:b080a513eba1ca1bc4ee076ba5849dda' in /var/www/mythdora/html/includes/cache.inc on line 109.
Submitted by wdgiles on September 12, 2008 - 5:05pm
Greetings all, I previously ran Mythdora 4 with great success on this hardware, but I'm having problems with Mythdora 5. The GUI is very slow to respond in any skins and anything that updates the mythtv gui seems to take much longer than the same task in v4.
It seems like the nvidia drivers aren't loading. Any way to check what is loaded, and reload the proper ones if they're not there?

Update
I found that the system still had FC6 nvidia drivers installed. Must be an artifact from a previous installation? Thought I wipe deverything out, but not sure. So I reinstalled the correct drivers for my kernel with this command - found on another post here: yum install kmod-nvidia-$KVER
Now the nvidia drivers are loaded, but "rpm -qa | grep nvidia" produces nothing, doesn't show anything is loaded. When I reboot the X server cannot load and asks to be manually reconfigured. still working on it, will post more as I find it.
resolved
After some more digging, I found that my video card GeForce MX 4000 is only supported by the legacy drivers. I removed all previous attempts, then installed the correct ones with this command: yum install kmod-nvidia-legacy-$KVER
It's working fine now.
Drivers for MX4000
I had to fiddle with this as well, and while the 'legacy' driver will work, the recommended version of the driver for that card is nvidia-96xx . I found that I wasn't getting direct rendering with the legacy version which will slow things down. You can check with the glxinfo command, somewhere in the return it will say: "direct rendering:" yes or no. I also had to force the nvagp driver to load (kernel option agp=off) and by adding the line - blacklist agpgart to the file /etc/modprobe.d/blacklist
I've heard that using the built in agpgart is usually fine with this card, but this way worked well for me.
However, if your Mythdora machine is now working for you, sometimes it's best just to leave well enough alone.
Good luck,
Del